With Chemical Tweaks, Cement Becomes A Semiconductor
May 31, 2013
With the right chemistry, cement can take on some of the properties of a metal, researchers report in the Proceedings of the National Academy of Sciences. Chris Benmore, a physicist at Argonne National Laboratory, explains why a semiconducting cement might be useful.
Kojo chats with Freeman Hrabowski, the president of University of Maryland, Baltimore County, about the future of higher education - and what he's doing to steer African-American students into science, technology, engineering and mathematics.
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